Can't build/install omuse as described in the README

[Sbte]

$ python setup.py build_codes --inplace
running build_codes
building libraries and community codes
build, for logging, see 'build.log'
[12:03:38] building adcirc
[12:03:38] building cdo
[12:03:38] building dales
[12:03:39] building iemic
[12:03:43] building oifs
Username for 'https://git.ecmwf.int': 

I don't have a username for that. Maybe it should be made optional.